PROOF.h.split_same.b: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/PROOF.bend as PROOF
Lines 2900-2937 of bend-kit-collections@0.1.4.1/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&start_line=2900&end_line=2937

import Base
import bend-kit-collections@0.1.4.1/hmap.bend as M

def h.split_same.b(
  ~K: Data, ~V: Data, ~eq: K -> K -> Bool, +p: Nat, +mask: U32, +o: U32,
  +es: List<&2, M.Entry<K, V>>, +hk: U32, +k: K, +v: V, ob: {h.onebit(mask) == True{} : Bool},
  b1: Bool, b2: Bool,
  e1: {b1 == U32.is_eq((o .&. mask : U32), (hk .&. mask : U32)) : Bool},
  e2: {b2 == U32.is_eq((o .&. mask : U32), 0) : Bool},
  ih: {h.G(~K, ~V, ~eq, p, (mask << 1n : U32), h.S(~K, ~V, ~eq, p, (mask << 1n : U32), o, es, hk, k, v), hk, k) == Some{v} : Maybe<&2, V>},
  fr: {h.G(~K, ~V, ~eq, p, (mask << 1n : U32), M.HLeaf{hk, [M.Entry{k, v}]}, hk, k) == Some{v} : Maybe<&2, V>}
) -> {h.G(~K, ~V, ~eq, 1n+p, mask, h.sp(~K, ~V, ~eq, b1, b2, p, mask, o, es, hk, k, v), hk, k) == Some{v} : Maybe<&2, V>}:
  match b1 b2:
    case True{} True{}:
      %h.g_lo(~K, ~V, ~eq, p, mask, h.S(~K, ~V, ~eq, p, (mask << 1n : U32), o, es, hk, k, v), M.HNil{}, hk, k,
        h.u_same0(o, hk, mask, True{},
          h.sb(True{}, U32.is_eq((o .&. mask : U32), (hk .&. mask : U32)), e1),
          h.sb(True{}, U32.is_eq((o .&. mask : U32), 0), e2)))
        : {_ == Some{v} : Maybe<&2, V>}
      ih
    case True{} False{}:
      %h.g_hi(~K, ~V, ~eq, p, mask, M.HNil{}, h.S(~K, ~V, ~eq, p, (mask << 1n : U32), o, es, hk, k, v), hk, k,
        h.u_same0(o, hk, mask, False{},
          h.sb(True{}, U32.is_eq((o .&. mask : U32), (hk .&. mask : U32)), e1),
          h.sb(False{}, U32.is_eq((o .&. mask : U32), 0), e2)))
        : {_ == Some{v} : Maybe<&2, V>}
      ih
    case False{} True{}:
      %h.g_hi(~K, ~V, ~eq, p, mask, M.HLeaf{o, es}, M.HLeaf{hk, [M.Entry{k, v}]}, hk, k,
        h.u_ne0((o .&. mask : U32), (hk .&. mask : U32),
          h.sb(False{}, U32.is_eq((o .&. mask : U32), (hk .&. mask : U32)), e1),
          h.sb(True{}, U32.is_eq((o .&. mask : U32), 0), e2)))
        : {_ == Some{v} : Maybe<&2, V>}
      fr
    case False{} False{}:
      %h.g_lo(~K, ~V, ~eq, p, mask, M.HLeaf{hk, [M.Entry{k, v}]}, M.HLeaf{o, es}, hk, k,
        h.u_route_t(o, hk, mask, ob,
          h.sb(False{}, U32.is_eq((o .&. mask : U32), (hk .&. mask : U32)), e1),
          h.sb(False{}, U32.is_eq((o .&. mask : U32), 0), e2)))
        : {_ == Some{v} : Maybe<&2, V>}
      fr

Uses (20):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.G
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.S
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.g_hi
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.g_lo
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.onebit
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.sb
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.sp
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.u_ne0
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.u_route_t
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.u_same0
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap